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Recommendation for running a MySQL cluster on 3 servers
Posted by: Brian Paquin
Date: June 21, 2018 07:56AM

I have created a MySQL Cluster across 3 physical servers, but I read a post that leads me to worry that I did not set it up properly... (that a failure of 1 server will cause the cluster to shutdown)

server1:
management node 1
data node 1

server2:
management node 2
sql node 1

server3:
sql node 2
data node 2

This is what I see from server1:
$ ndb_mgm -e SHOW
Connected to Management Server at: localhost:1186
Cluster Configuration
---------------------
[ndbd(NDB)] 2 node(s)
id=1 @127.0.0.1 (mysql-5.7.22 ndb-7.6.6, Nodegroup: 0, *)
id=2 @10.84.2.13 (mysql-5.7.22 ndb-7.6.6, Nodegroup: 0)

[ndb_mgmd(MGM)] 2 node(s)
id=101 @127.0.0.1 (mysql-5.7.22 ndb-7.6.6)
id=102 @10.84.2.12 (mysql-5.7.22 ndb-7.6.6)

[mysqld(API)] 5 node(s)
id=53 @10.84.2.12 (mysql-5.7.22 ndb-7.6.6)
id=54 @10.84.2.13 (mysql-5.7.22 ndb-7.6.6)
id=231 (not connected, accepting connect from 10.84.2.11)
id=232 (not connected, accepting connect from 10.84.2.12)
id=233 (not connected, accepting connect from 10.84.2.13)

Thank you,

Brian

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Recommendation for running a MySQL cluster on 3 servers
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